251019760

素因数分解:

$2^4\times 5^1\times {\mathrm{3137747}}^1$

素因数の和:3137760

約数の個数: 20

約数和(自身を含む): 583621128

約数和(自身を除く): 332601368

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 3137747, 6275494, 12550988, 15688735, 25101976, 31377470, 50203952, 62754940, 125509880, 251019760]

約数ペア:

[(1, 251019760), (2, 125509880), (4, 62754940), (5, 50203952), (8, 31377470), (10, 25101976), (16, 15688735), (20, 12550988), (40, 6275494), (80, 3137747)]